Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/spark/pull/1525#discussion_r15268935
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -47,19 +47,19 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, actorSystem: A
{
// Use an atomic variable to track total number of cores in the cluster
for simplicity and speed
var totalCoreCount = new AtomicInteger(0)
- var totalExpectedExecutors = new AtomicInteger(0)
+ var totalExecutors = new AtomicInteger(0)
+ var totalExpectedResources = new AtomicInteger(0)
val conf = scheduler.sc.conf
private val timeout = AkkaUtils.askTimeout(conf)
private val akkaFrameSize = AkkaUtils.maxFrameSizeBytes(conf)
- // Submit tasks only after (registered executors / total expected
executors)
+ // Submit tasks only after (registered resources / total expected
resources)
// is equal to at least this value, that is double between 0 and 1.
- var minRegisteredRatio =
conf.getDouble("spark.scheduler.minRegisteredExecutorsRatio", 0)
+ var minRegisteredRatio =
conf.getDouble("spark.scheduler.minRegisteredResourcesRatio", 0)
if (minRegisteredRatio > 1) minRegisteredRatio = 1
- // Whatever minRegisteredExecutorsRatio is arrived, submit tasks after
the time(milliseconds).
+ // Whatever minRegisteredRatio is arrived, submit tasks after the
time(milliseconds).
--- End diff --
Ah, I see -- sorry. Looks like this is what we want? `// Submit tasks
after maxRegisteredWaitingTime milliseconds if minRegisteredRatio has not yet
been reached`
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